If you are like me, the Aero themes under the Personalize menu in Windows 7 and Windows 10's minimalist design language are just not enough to give your PC a unique look. You want more than a new wallpaper, some icons, and simple color changes.
There are utilities out there, both free and commercial, that will give you a custom desktop far beyond anything you can get from the Windows theme presets. You can go with the out of the box look, or customize things on your own with a little fiddling...